(3bGfhf GdHMGQ h GdCfgGQ aj GdESdGe(B/s (3GdLRA GdKGef h GdKdGKhfs - (3CMeO GHhGdhaG eMeO MSfs ((3eUQ(B:s (3eYgO GdHMhK h GdOQGSGJ GdYQHjI(B,s, 1988)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdYGes; (3GdbGfhf GdOhdj ddHMGQs